"Blend of Riley and Lynn"
The name Rilynn is commonly a female name from the "English" origin.
Rilynn is a modern American formation that reads as Riley combined with the -lynn ending, a pattern shared by names such as Kaylynn and Braelynn. Riley itself is an English surname with Irish Gaelic roots, from Ó Raghallaigh. The name's first appearance in US birth records in 1999 is consistent with a recent coinage rather than an inherited traditional name.
The pronunciation of Rilynn is RYE-lin.
